def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent=parent)
self._current = None
self._layout = QtGui.QGridLayout(self)
p = QtGui.QSizePolicy
self._explorer = ManagerExplorerView()
self._explorer.item_changed.connect(self._on_item_changed)
self._explorer.setSizePolicy(p(p.MinimumExpanding, p.MinimumExpanding))
self._filter_box = FilterBox()
self._filter_box.filter_changed.connect(self._on_filter_changed)
self._switcher = WidgetSwitcher(parent=self)
self._switcher.setSizePolicy(p(p.MinimumExpanding, p.MinimumExpanding))
self._layout.addWidget(QtGui.QLabel("Group by ..."), 0, 0)
self._layout.addWidget(self._filter_box, 0, 1)
self._layout.addWidget(self._explorer, 1, 0, 1, 2)
self._layout.addWidget(self._switcher, 1, 2)
self.resize(800, 600)
